./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/lis_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 17:57:09,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:57:09,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:57:09,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:57:09,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:57:09,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:57:09,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:57:09,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:57:09,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:57:09,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:57:09,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:57:09,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:57:09,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:57:09,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:57:09,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:57:09,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:57:09,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:57:09,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:57:09,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:57:09,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:57:09,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:57:09,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:57:09,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:57:09,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:57:09,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:57:09,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:57:09,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:57:09,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:57:09,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:57:09,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:57:09,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:57:09,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:57:09,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:57:09,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:57:09,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:57:09,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:57:09,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:57:09,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:57:09,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:57:09,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:57:09,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:57:09,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 17:57:09,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:57:09,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:57:09,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:57:09,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:57:09,601 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:57:09,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:57:09,602 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:57:09,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:57:09,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:57:09,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:57:09,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:57:09,603 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:57:09,604 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:57:09,604 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:57:09,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:57:09,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:57:09,605 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:57:09,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:57:09,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:57:09,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:57:09,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:57:09,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:57:09,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:57:09,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:57:09,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:57:09,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 17:57:09,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 17:57:09,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:57:09,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2020-10-19 17:57:09,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:57:09,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:57:09,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:57:09,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:57:09,967 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:57:09,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2020-10-19 17:57:10,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce35cc226/6ef493194f074a0083791a08fbaf9aaa/FLAGd0730f168 [2020-10-19 17:57:10,558 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:57:10,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2020-10-19 17:57:10,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce35cc226/6ef493194f074a0083791a08fbaf9aaa/FLAGd0730f168 [2020-10-19 17:57:10,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce35cc226/6ef493194f074a0083791a08fbaf9aaa [2020-10-19 17:57:10,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:57:10,864 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:57:10,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:57:10,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:57:10,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:57:10,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:57:10" (1/1) ... [2020-10-19 17:57:10,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e7774b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:10, skipping insertion in model container [2020-10-19 17:57:10,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:57:10" (1/1) ... [2020-10-19 17:57:10,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:57:10,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:57:11,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:57:11,308 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-19 17:57:11,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4755e506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:11, skipping insertion in model container [2020-10-19 17:57:11,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:57:11,309 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 17:57:11,313 INFO L168 Benchmark]: Toolchain (without parser) took 453.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:11,314 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:57:11,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:11,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 444.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 17:57:13,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 17:57:13,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 17:57:13,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 17:57:13,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 17:57:13,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 17:57:13,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 17:57:13,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 17:57:13,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 17:57:13,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 17:57:13,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 17:57:13,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 17:57:13,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 17:57:13,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 17:57:13,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 17:57:13,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 17:57:13,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 17:57:13,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 17:57:13,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 17:57:13,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 17:57:13,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 17:57:13,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 17:57:13,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 17:57:13,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 17:57:13,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 17:57:13,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 17:57:13,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 17:57:13,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 17:57:13,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 17:57:13,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 17:57:13,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 17:57:13,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 17:57:13,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 17:57:13,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 17:57:13,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 17:57:13,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 17:57:13,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 17:57:13,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 17:57:13,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 17:57:13,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 17:57:13,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 17:57:13,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 17:57:13,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 17:57:13,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 17:57:13,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 17:57:13,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 17:57:13,289 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 17:57:13,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 17:57:13,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 17:57:13,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 17:57:13,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 17:57:13,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 17:57:13,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 17:57:13,292 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 17:57:13,292 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 17:57:13,292 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 17:57:13,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 17:57:13,293 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 17:57:13,293 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 17:57:13,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 17:57:13,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 17:57:13,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 17:57:13,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 17:57:13,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 17:57:13,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 17:57:13,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 17:57:13,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:57:13,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 17:57:13,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 17:57:13,296 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 17:57:13,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 17:57:13,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 17:57:13,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 17:57:13,297 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2020-10-19 17:57:13,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 17:57:13,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 17:57:13,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 17:57:13,641 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 17:57:13,641 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 17:57:13,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2020-10-19 17:57:13,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7639e0247/55f652adc96e432fa598512518609840/FLAG0e6483de8 [2020-10-19 17:57:14,277 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 17:57:14,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2020-10-19 17:57:14,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7639e0247/55f652adc96e432fa598512518609840/FLAG0e6483de8 [2020-10-19 17:57:14,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7639e0247/55f652adc96e432fa598512518609840 [2020-10-19 17:57:14,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 17:57:14,560 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 17:57:14,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 17:57:14,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 17:57:14,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 17:57:14,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:57:14" (1/1) ... [2020-10-19 17:57:14,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdc78c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:14, skipping insertion in model container [2020-10-19 17:57:14,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:57:14" (1/1) ... [2020-10-19 17:57:14,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 17:57:14,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:57:15,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:57:15,090 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 17:57:15,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 17:57:15,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:57:15,177 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 17:57:15,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 17:57:15,272 INFO L208 MainTranslator]: Completed translation [2020-10-19 17:57:15,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15 WrapperNode [2020-10-19 17:57:15,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 17:57:15,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 17:57:15,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 17:57:15,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 17:57:15,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... [2020-10-19 17:57:15,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... [2020-10-19 17:57:15,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... [2020-10-19 17:57:15,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... [2020-10-19 17:57:15,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... [2020-10-19 17:57:15,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... [2020-10-19 17:57:15,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... [2020-10-19 17:57:15,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 17:57:15,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 17:57:15,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 17:57:15,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 17:57:15,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 17:57:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 17:57:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 17:57:15,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:57:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 17:57:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 17:57:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 17:57:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 17:57:15,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 17:57:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lis [2020-10-19 17:57:15,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 17:57:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 17:57:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 17:57:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 17:57:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 17:57:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 17:57:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 17:57:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 17:57:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 17:57:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 17:57:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 17:57:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 17:57:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 17:57:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 17:57:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 17:57:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 17:57:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 17:57:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 17:57:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 17:57:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 17:57:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 17:57:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 17:57:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 17:57:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 17:57:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 17:57:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 17:57:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 17:57:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 17:57:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 17:57:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 17:57:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 17:57:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 17:57:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 17:57:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 17:57:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 17:57:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 17:57:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 17:57:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 17:57:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 17:57:15,463 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 17:57:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 17:57:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 17:57:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 17:57:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 17:57:15,464 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 17:57:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 17:57:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 17:57:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 17:57:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 17:57:15,465 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 17:57:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 17:57:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 17:57:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 17:57:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 17:57:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 17:57:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 17:57:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 17:57:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 17:57:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 17:57:15,467 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 17:57:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 17:57:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 17:57:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 17:57:15,468 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 17:57:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 17:57:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 17:57:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 17:57:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 17:57:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 17:57:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 17:57:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 17:57:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 17:57:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 17:57:15,470 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 17:57:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 17:57:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 17:57:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 17:57:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 17:57:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 17:57:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 17:57:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 17:57:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 17:57:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 17:57:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 17:57:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 17:57:15,473 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 17:57:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 17:57:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 17:57:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 17:57:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 17:57:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 17:57:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 17:57:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 17:57:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 17:57:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 17:57:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 17:57:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 17:57:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 17:57:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 17:57:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 17:57:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 17:57:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 17:57:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 17:57:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 17:57:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 17:57:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 17:57:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 17:57:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 17:57:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 17:57:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure lis [2020-10-19 17:57:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 17:57:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 17:57:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 17:57:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 17:57:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 17:57:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 17:57:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 17:57:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 17:57:16,303 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 17:57:16,303 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-19 17:57:16,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:57:16 BoogieIcfgContainer [2020-10-19 17:57:16,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 17:57:16,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 17:57:16,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 17:57:16,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 17:57:16,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 05:57:14" (1/3) ... [2020-10-19 17:57:16,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4783daf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:57:16, skipping insertion in model container [2020-10-19 17:57:16,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:57:15" (2/3) ... [2020-10-19 17:57:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4783daf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:57:16, skipping insertion in model container [2020-10-19 17:57:16,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:57:16" (3/3) ... [2020-10-19 17:57:16,316 INFO L111 eAbstractionObserver]: Analyzing ICFG lis_unsafe.i [2020-10-19 17:57:16,328 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 17:57:16,336 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2020-10-19 17:57:16,351 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2020-10-19 17:57:16,372 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 17:57:16,373 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 17:57:16,373 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 17:57:16,373 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 17:57:16,373 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 17:57:16,373 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 17:57:16,374 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 17:57:16,374 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 17:57:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-10-19 17:57:16,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-19 17:57:16,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:57:16,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:57:16,403 INFO L429 AbstractCegarLoop]: === Iteration 1 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-19 17:57:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:57:16,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922095, now seen corresponding path program 1 times [2020-10-19 17:57:16,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:57:16,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278695530] [2020-10-19 17:57:16,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 17:57:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:57:16,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 17:57:16,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:57:16,761 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-19 17:57:16,762 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-19 17:57:16,763 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:16,771 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:16,775 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 17:57:16,776 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2020-10-19 17:57:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:57:16,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:57:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:57:16,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278695530] [2020-10-19 17:57:16,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:57:16,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 17:57:16,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505278400] [2020-10-19 17:57:16,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 17:57:16,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:57:16,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 17:57:16,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:57:16,852 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2020-10-19 17:57:17,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:57:17,119 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2020-10-19 17:57:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 17:57:17,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-19 17:57:17,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:57:17,136 INFO L225 Difference]: With dead ends: 71 [2020-10-19 17:57:17,137 INFO L226 Difference]: Without dead ends: 68 [2020-10-19 17:57:17,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 17:57:17,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-19 17:57:17,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-19 17:57:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-19 17:57:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2020-10-19 17:57:17,185 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 11 [2020-10-19 17:57:17,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:57:17,186 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2020-10-19 17:57:17,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 17:57:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2020-10-19 17:57:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-19 17:57:17,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:57:17,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:57:17,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 17:57:17,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-19 17:57:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:57:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922094, now seen corresponding path program 1 times [2020-10-19 17:57:17,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:57:17,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17383984] [2020-10-19 17:57:17,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-19 17:57:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 17:57:17,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-19 17:57:17,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 17:57:17,568 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_31|], 1=[|v_#valid_47|]} [2020-10-19 17:57:17,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-19 17:57:17,577 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-10-19 17:57:17,578 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:17,596 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:17,607 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-19 17:57:17,608 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:17,625 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:17,628 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-19 17:57:17,628 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:21 [2020-10-19 17:57:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:57:17,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 17:57:17,810 INFO L441 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2020-10-19 17:57:17,818 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-19 17:57:17,820 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:17,831 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:17,833 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-19 17:57:17,834 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-19 17:57:17,845 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 17:57:17,853 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 17:57:17,853 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2020-10-19 17:57:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 17:57:17,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17383984] [2020-10-19 17:57:17,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 17:57:17,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-10-19 17:57:17,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299447005] [2020-10-19 17:57:17,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-19 17:57:17,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 17:57:17,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-19 17:57:17,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-19 17:57:17,917 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 8 states. [2020-10-19 17:57:19,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 17:57:19,235 INFO L93 Difference]: Finished difference Result 166 states and 186 transitions. [2020-10-19 17:57:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 17:57:19,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-10-19 17:57:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 17:57:19,241 INFO L225 Difference]: With dead ends: 166 [2020-10-19 17:57:19,241 INFO L226 Difference]: Without dead ends: 166 [2020-10-19 17:57:19,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-19 17:57:19,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-19 17:57:19,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2020-10-19 17:57:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-19 17:57:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 177 transitions. [2020-10-19 17:57:19,262 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 177 transitions. Word has length 11 [2020-10-19 17:57:19,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 17:57:19,262 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 177 transitions. [2020-10-19 17:57:19,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-19 17:57:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2020-10-19 17:57:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-19 17:57:19,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 17:57:19,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 17:57:19,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 17:57:19,468 INFO L429 AbstractCegarLoop]: === Iteration 3 === [lisErr12REQUIRES_VIOLATION, lisErr11REQUIRES_VIOLATION, lisErr10REQUIRES_VIOLATION, lisErr23ASSERT_VIOLATIONMEMORY_FREE, lisErr9REQUIRES_VIOLATION, lisErr8REQUIRES_VIOLATION, lisErr26ASSERT_VIOLATIONMEMORY_FREE, lisErr17REQUIRES_VIOLATION, lisErr25ASSERT_VIOLATIONMEMORY_FREE, lisErr16REQUIRES_VIOLATION, lisErr15REQUIRES_VIOLATION, lisErr14REQUIRES_VIOLATION, lisErr13REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr0REQUIRES_VIOLATION, lisErr21REQUIRES_VIOLATION, lisErr22ASSERT_VIOLATIONMEMORY_FREE, lisErr27ASSERT_VIOLATIONMEMORY_FREE, lisErr20REQUIRES_VIOLATION, lisErr24ASSERT_VIOLATIONMEMORY_FREE, lisErr19REQUIRES_VIOLATION, lisErr18REQUIRES_VIOLATION, lisErr7REQUIRES_VIOLATION, lisErr6REQUIRES_VIOLATION, lisErr5REQUIRES_VIOLATION, lisErr4REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2020-10-19 17:57:19,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 17:57:19,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1898075052, now seen corresponding path program 1 times [2020-10-19 17:57:19,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 17:57:19,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774123887] [2020-10-19 17:57:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-19 17:57:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 17:57:19,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 17:57:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 17:57:19,596 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 17:57:19,621 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-19 17:57:19,621 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 17:57:19,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 17:57:19,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 05:57:19 BoogieIcfgContainer [2020-10-19 17:57:19,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 17:57:19,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 17:57:19,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 17:57:19,851 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 17:57:19,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:57:16" (3/4) ... [2020-10-19 17:57:19,854 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-19 17:57:19,912 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 17:57:19,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 17:57:19,915 INFO L168 Benchmark]: Toolchain (without parser) took 5363.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 960.0 MB in the beginning and 826.3 MB in the end (delta: 133.6 MB). Peak memory consumption was 235.9 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:19,916 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:57:19,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:19,919 INFO L168 Benchmark]: Boogie Preprocessor took 103.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:19,919 INFO L168 Benchmark]: RCFGBuilder took 928.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:19,921 INFO L168 Benchmark]: TraceAbstraction took 3542.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 826.3 MB in the end (delta: 182.2 MB). Peak memory consumption was 182.2 MB. Max. memory is 11.5 GB. [2020-10-19 17:57:19,926 INFO L168 Benchmark]: Witness Printer took 62.82 ms. Allocated memory is still 1.1 GB. Free memory is still 826.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 17:57:19,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 710.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 928.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3542.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 826.3 MB in the end (delta: 182.2 MB). Peak memory consumption was 182.2 MB. Max. memory is 11.5 GB. * Witness Printer took 62.82 ms. Allocated memory is still 1.1 GB. Free memory is still 826.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 518]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L531] int *a; [L532] int N = __VERIFIER_nondet_int(); [L533] COND FALSE !(N < 1) VAL [N=1073741824] [L535] CALL lis(a, N) VAL [\old(N)=1073741824, a={7:8}] [L514] int *best, *prev, i, j, max = 0; [L515] best = (int*) malloc(sizeof(int) * N) [L516] prev = (int*) malloc(sizeof(int) * N) [L517] i = 0 VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={1:0}, malloc(sizeof(int) * N)={2:0}, max=0, N=1073741824, prev={2:0}] [L517] COND TRUE i < N VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={1:0}, i=0, malloc(sizeof(int) * N)={1:0}, malloc(sizeof(int) * N)={2:0}, max=0, N=1073741824, prev={2:0}] [L518] best[i] = 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 100 locations, 29 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 191 SDslu, 269 SDs, 0 SdLazy, 186 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 2 QuantifiedInterpolants, 1600 SizeOfPredicates, 10 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...